Holiday 2002 NEPTUNE, Руководство пользователя

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Electrical Systems - House
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If the generator is running 120 Volt AC will be present at the distribution
panel L1 and L2 inputs. In this mode the energy management feature is dis-
abled and all control relay contacts are closed, energizing all of the controlled
loads. The control Module sends a signal to the display panel causing the load
meter to display actual load current, the generator service indicator to light and
all power status indicators to light.
If 120 Volt AC is present at the distribution
panel L1 and L2 inputs the system will assume
that 120 Volt AC, 30 Amp shore power is avail-
able and the energy management feature will be
enabled.
The load meter will indicate the Amps load. If
only 20 Amp service is available the user must
select the 20 AMP service mode by momentarily
pressing the 20/30 Amp select switch on the
Control Panel.
Initially, all relay contacts are closed and the total current is monitored. If
the total current should exceed the service limit the system will turn off the
first load in the shedding table. As it turns the loads off it calculates the amount
of current that was removed, which is the value for that load. This value is
placed in memory. If the current remains above the service limit the system
will turn off the next load in shedding table. Again, it calculates the amount of
current that was removed and places this value, which is the value of that load,
in memory. The system continues to turn off loads until the total current falls
below the service limit or all of the six controlled loads have been shed.
Through this process, the system has "learned" the amount of current that each
particular load draws. This feature compensates for the differences in current
draw over a range of line voltage and ambient temperature, by re-learning the
load each time it is turned off or "shed."
The 50 Amp Smart EMS now waits until the total current is lower than the
service limit and enough current is available (as compared with the amount in
memory for the last load shed) before it will turn that load back on. This
assures that there is sufficient current to operate the load.
NOTE: There is a two-minute minimum delay period after
a load is shed before the load will be turned on again to pre-
vent air conditioners from turning on with a head pressure.
With 30 Amp Input.
OM060082